21069684

素因数分解:

$2^2\times 3^2\times {\mathrm{585269}}^1$

素因数の和:585279

約数の個数: 18

約数和(自身を含む): 53259570

約数和(自身を除く): 32189886

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585269, 1170538, 1755807, 2341076, 3511614, 5267421, 7023228, 10534842, 21069684]

約数ペア:

[(1, 21069684), (2, 10534842), (3, 7023228), (4, 5267421), (6, 3511614), (9, 2341076), (12, 1755807), (18, 1170538), (36, 585269)]